Hla antigens - Study guides, Class notes & Summaries

SBB test prep - Clinical Immunohematology and Transfusion Exam Questions and Answers 100% Pass degree of matching for HLA-matched platelets - Correct Answer ️️ -Match Grade A: All four antigens identical Match Grade B1U: Only three antigens detected in donor, all present in recipient Match Grade B2U: Only two antigens detected in donor, both present in recipient Match Grade B1X: Three donor antigens identical to recipient, fourth antigen crossreactive with recipient Match Grade B2X: ...

degree of matching for HLA-matched platelets - Answer-Match Grade A: All four antigens identical Match Grade B1U: Only three antigens detected in donor, all present in recipient Match Grade B2U: Only two antigens detected in donor, both present in recipient Match Grade B1X: Three donor antigens identical to recipient, fourth antigen crossreactive with recipient Match Grade B2X: Two donor antigens identical to recipient, third & fourth antigen cross-reactive with recipient Match Grade C: O...

degree of matching for HLA-matched platelets - Answer-Match Grade A: All four antigens identical Match Grade B1U: Only three antigens detected in donor, all present in recipient Match Grade B2U: Only two antigens detected in donor, both present in recipient Match Grade B1X: Three donor antigens identical to recipient, fourth antigen crossreactive with recipient Match Grade B2X: Two donor antigens identical to recipient, third & fourth antigen cross-reactive with recipient Match Grade C: O...

Immunoglobulins are secreted by which type of cell? A. B-lymphocyte B. Megakaryocyte C. T-lymphocyte D. Natural killer - ANSWER-A. B-lymphocyte B lymphocytes synthesize and secrete immunoglobulins. Which portion of the immunoglobulin activates the complement pathway? A. MHC Class I B. Fab C. Fc D. MHC Class II - ANSWER-C. Fc The Fc region activates the complement pathway. Which of the following is a class II HLA antigen? A. B B. DR C. A D. C - ANSWER-B. DR HLA DR, DQ and DP are ...

CCTC Review Test Questions with Correct Answers (Already Graded A+) What is DSA? - Answer donor specific AB -reflects reactivity to a particular HLA antigen. Determines likelihood of positive XM. Identifies acceptable and unacceptable antigens Goals of induction therapy - Answer decrease incidence of DGF, delay use of CNI, delay risk of graft rejection, minimize use of corticosteroids, provide intense IS with high risk for acute or hyper acute rejection 3 classes of medications used p...

A peripheral smear with increased polychromasia, schistocytes and spherocytes is indicative of which condition? A. Aplastic anemia B. Iron deficiency anemia C. Hemolytic anemia D. Megaloblastic anemia - C. Hemolytic anemia Megaloblastic anemia would show larger, less mature RBCs on the smear. Iron deficiency anemia would show hypochromasia, and a lower RBC count. Aplastic anemia would show very little amounts of mature RBCs on the smear Hemolytic anemia results in misshapen RBCs and ...

immunoglobulins are secreted by which type of cell? A. B-lymphocyte B. Megakaryocyte C. T-lymphocyte D. Natural killer - ANSWER-A. B-lymphocyte B lymphocytes synthesize and secrete immunoglobulins. Which portion of the immunoglobulin activates the complement pathway? A. MHC Class I B. Fab C. Fc D. MHC Class II - ANSWER-C. Fc The Fc region activates the complement pathway. Which of the following is a class II HLA antigen? A. B B. DR C. A D. C - ANSWER-B. DR HLA DR, DQ and DP are ...

A peripheral smear with increased polychromasia, schistocytes and spherocytes is indicative of which condition? A. Aplastic anemia B. Iron deficiency anemia C. Hemolytic anemia D. Megaloblastic anemia - correct answer C. Hemolytic anemia Megaloblastic anemia would show larger, less mature RBCs on the smear. Iron deficiency anemia would show hypochromasia, and a lower RBC count. Aplastic anemia would show very little amounts of mature RBCs on the smear Hemolytic anemia results in mi...

SBB Genetic, Rh and RBC membrane Exam | Questions and Correct answers | Latest Update 2024/2025 | 100% Pass dCE - Answer -ry DCE - Answer -RZ Hardy Weinberg equation - Answer -Used to calculate allele and genotype frequencies in a population when the frequency of one genetic trait is known HLA antigens - Answer -Certain characteristics of blood group and ____________ antigens make them useful tools for parentage analysis Direct exclusion, indirect excursion - Answer -Assuming maternit...

Combined Immunology HMX Exam with 100% Correct Answers 2024/2025. Individuals who are not identical twins differ in many genes that they do not inherit. This means individuals will have different proteins based on these different genes. These differences are called ______________________ - Correct Answer-polymorphisms In transplantation, if one person is a donor and another is a recipient, then there might be a difference in proteins between each person. So, when an organ is transplanted, t...